Home / 26,927.57-40,391.37-12,884.30

Finding the Fourth Proportional to 26,927.57, 40,391.37 and 12,884.30

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Solution

The fourth proportional to 26,927.57, 40,391.37 and 12,884.30 is: 19,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.57 : 40,391.37 = 12,884.30 : x
  2. Step 2: Convert to fraction form
    26,927.57/40,391.37 = 12,884.30/x
  3. Step 3: Cross multiply
    26,927.57x = 40,391.37 × 12,884.30
  4. Step 4: Simplify right side
    26,927.57x = 520,414,326.53
  5. Step 5: Solve for x
    x = 520,414,326.53/26,927.57
  6. Step 6: Final answer
    x = 19,326.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.